# Pre-Alignment

> Companion app for RT-300/AT-10 pre-alignment with ACOEM Run-Out Probe. (iPhone/iPad app by ACOEM Group.)

- Source: https://appshunter.io/ios/app/pre-alignment/id1499479273 (this page in markdown: same URL + `.md`)
- Developer: [ACOEM Group](https://appshunter.io/developer/1495816959)
- Category: Productivity
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 67 MB
- Languages: English
- Released: 2020-02-27
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/pre-alignment/id1499479273/reviews.md

## What is Pre?

This is a companion app for performing pre-alignment tasks, using the RT-300/AT-10. The app guides the user through the complete pre-alignment process when using the Bluetooth® connected ACOEM Run-Out Probe. This offers a complete pre-alignment package, including the possibility to measure and record Run-Out, Bearing Clearance, and True SoftCheck. The PDF Report function provides a fast on-site reporting capability by converting saved measurement reports into PDF files. 

---- Note: This app works with the ACOEM Run-Out Probe ----

Key Features:
- Connected using Bluetooth®
- GuideU: Our patented icon-based and color-coded adaptive user interface 
- Measure and record Run-Out, Bearing Clearance and True SoftCheck.
- True SoftCheck - soft foot measurements directly on the feet of the machine. 
- Create an instant PDF-report

Visit the website www.acoem.com for more information on alignment in general, the ACOEM tools and support of the app.

## Key features

- Bluetooth connectivity
- Icon-based adaptive user interface
- Measure and record Run-Out
- Measure and record Bearing Clearance
- Measure and record True SoftCheck
- Generate instant PDF reports


## Frequently asked questions about Pre

### What devices does Pre-Alignment support?

Pre-Alignment is available for iPhone, iPad, and iPod devices.

### How often is Pre-Alignment updated?

The latest version, 2.2.0, was released on May 19, 2026. Specific update frequency is not detailed, but it is actively maintained.

### What is the age rating for Pre-Alignment?

Pre-Alignment has an age rating of 4+, making it suitable for a wide range of users.

### Does Pre-Alignment require the ACOEM Run-Out Probe?

Yes, Pre-Alignment is a companion app designed to work specifically with the ACOEM Run-Out Probe (RT-300/AT-10) connected via Bluetooth.

### What kind of reports can Pre-Alignment generate?

Pre-Alignment can create instant PDF reports from saved measurement data, providing a fast on-site reporting capability.

### What specific measurements can be taken with Pre-Alignment?

Users can measure and record Run-Out, Bearing Clearance, and perform True SoftCheck measurements directly on machine feet.

### What is the user interface like in Pre-Alignment?

Pre-Alignment features GuideU, a patented icon-based and color-coded adaptive user interface designed for intuitive operation.

### Does Pre-Alignment have ads?

No, Pre-Alignment does not contain advertisements.

## Version history (last 5 releases)

### 2.2.0 — 2026-05-19

- Added support for logging values in AT-10 Run-out probes
- Various minor bug-fixes and improvements

### 2.1.0 — 2025-10-16

New Features and improvements
- Increased resolution in Soft Foot in Inch-mode

Bug fixes
- Various minor bug fixes.

### 2.0.1 — 2023-10-18

New Features and improvements:
Support for M7/S7,  M9/S9 and M10/S10 sensors
Sensor Log - possibility to record sensor reading to file. Ability to set time between measurement points and sampling time.
Improved Bluetooth pairing.

Bug fixes:
Various minor bug fixes.

### 1.0.9 — 2021-09-20

Updated graphics.
Fixed PDF creation bug.

### 1.0.8 — 2021-02-25

Bug fixes.
Data format update.

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## More apps by ACOEM Group

- [01dB Connect](https://appshunter.io/ios/app/01db-connect/id1119115373)
- [OneProd Bearing Defender](https://appshunter.io/ios/app/oneprod-bearing-defender/id1273965192)
- [Machine Defender](https://appshunter.io/ios/app/machine-defender/id1496754747)
- [Horizontal Shaft Alignment](https://appshunter.io/ios/app/horizontal-shaft-alignment/id1499322319)
- [Vertical Shaft Alignment](https://appshunter.io/ios/app/vertical-shaft-alignment/id1499478849)

All apps by ACOEM Group: https://appshunter.io/developer/1495816959

## Related topics

[acoem group](https://appshunter.io/ios/topics/acoem-group) · [acoem](https://appshunter.io/ios/topics/acoem)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*